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Chapter 8: Basic Configuration Examples

Because SmartPath AP3 is a mesh point and the update involves changing its cluster—from cluster0 to cluster1-test—you must

make sure to update its configuration before updating the configurations on SmartPath AP1 and SmartPath AP2. If you upload

the configuration on all of them at the same time and schedule them to reboot too quickly (say, 1 second after the upload pro-

cess completes), there is a chance that the portal through which the configuration for the mesh point is passing will reboot before

the mesh point finishes receiving its configuration. If that happens, only the configuration on the portals will be updated. As a

result, the portals will become members of a different cluster (cluster1-test) from the mesh point (cluster0). The mesh point will

no longer be able to connect to the network through a portal using cluster0 and will become disconnected from the network

and from SmartPath EMS VMA.

To avoid the preceding scenario, you must first change the cluster on mesh points while they can still connect to the network.

After you change the cluster to which the mesh points belong, they will will lose network and SmartPath EMS VMA connectivity

temporarily until you update the configuration on the portals. After they also join the new cluster, the mesh points will once again

be able to connect through their portals to the network and to SmartPath EMS VMA. For more information on this topic, see

Section 7.6.

1. On the Monitor > Access Points > SmartPath APs page, select the checkbox for SmartPath AP3, and then click Update >

Upload and Activate Configuration.

The Upload and Activate Configuration dialog box appears.

2. When initially sending the configuration to SmartPath APs, SmartPath EMS VMA must perform a complete upload, which it

does automatically. After that, it automatically performs a delta upload by comparing the current configuration for the

SmartPath AP stored on SmartPath EMS VMA with that running on the SmartPath AP and then uploading only the parts that

are different. The three options (found in the Settings section) for uploading configurations are as follows:

Complete Upload: This option uploads the complete configuration to the selected SmartPath APs and reboots them to

activate their new configuration.

Delta Upload (Compare with last SmartPath EMS VMA config): This option uploads only the parts of the configuration

that were not previously pushed to the SmartPath APs from SmartPath EMS VMA.

Delta Upload (Compare with running SmartPath AP config): This option uploads only the changes to the configuration

based on a comparison of the current configuration for the selected SmartPath APs on SmartPath EMS VMA with the

current configuration running on the SmartPath APs.

Uploading a delta configuration does not require activation by rebooting the SmartPath AP and is, therefore, less disruptive.

However,beforeSmartPathEMSVMAcanuploadadeltaconfigurationtoamanagedSmartPathAP,itmustfirstuploadthefull

configuration and activate it by rebooting the SmartPath AP. After that, you can use the delta options.

NOTE: If there is any failure when performing a delta upload, use a complete upload the next time.

3. Click Settings, select Activate after, leave the default interval of 5 seconds, and then click Save. The three options for controlling

the activation of an uploaded configuration are as follows:

Activate at: Select this option and set the time when you want the updated SmartPath APs to activate their new configuration.

This is a good choice if you want to stagger the activation, or if you want to load a configuration now but activate it when the

network is less busy. To use this option accurately, both SmartPath EMS VMA and the managed SmartPath APs need to have

NTP enabled.

Activate after: Select this option to load a configuration on the selected SmartPath APs and activate it after a specified interval.

The range is 0–3600 seconds; that is, immediately to one hour. The default is 5 seconds.

Activate at next reboot: Select this option to load the configuration and not activate it. The loaded configuration is activated

the next time the SmartPath AP reboots.

4.SelectUploadandactivateconfiguration(theotheritemsthatcanbeuploadedareinapplicableatthispoint),makesurethat

SmartPath AP3 is selected, and then click Upload.

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